河南一煤矿发生煤与瓦斯突出事故【词语拼音】: he nan yi mei kuang fa sheng mei yu wa si tu chu shi gu
河南一煤矿发生煤与瓦斯突出事故【词语简写】:hnymkfsmywstcsg
河南一煤矿发生煤与瓦斯突出事故【英文拼写】:A coal and gas outburst accident occurred in a coal mine in Henan Province